21801850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 46747008

約数和(自身を除く): 24945158

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 167, 175, 334, 350, 373, 746, 835, 1169, 1670, 1865, 2338, 2611, 3730, 4175, 5222, 5845, 8350, 9325, 11690, 13055, 18650, 26110, 29225, 58450, 62291, 65275, 124582, 130550, 311455, 436037, 622910, 872074, 1557275, 2180185, 3114550, 4360370, 10900925, 21801850]

約数ペア:

[(1, 21801850), (2, 10900925), (5, 4360370), (7, 3114550), (10, 2180185), (14, 1557275), (25, 872074), (35, 622910), (50, 436037), (70, 311455), (167, 130550), (175, 124582), (334, 65275), (350, 62291), (373, 58450), (746, 29225), (835, 26110), (1169, 18650), (1670, 13055), (1865, 11690), (2338, 9325), (2611, 8350), (3730, 5845), (4175, 5222)]